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SEI INVESTMENTS CO: AOS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SEI INVESTMENTS CO on AOS, newest first. How the timeline and the estimate are built.

SEI INVESTMENTS CO held 1,331,425 AOS shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,331,425 shares
    Change vs previous 13F -15,438 shares

    0.07% of the 13F portfolio, value $83,507,008.

    13F-HR 0002048251-26-006553 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 1,346,863 shares
    Change vs previous 13F +5,175 shares

    0.08% of the 13F portfolio, value $88,812,219.

    13F-HR 0002048251-26-003739 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 1,341,688 shares
    Change vs previous 13F +21,277 shares

    0.09% of the 13F portfolio, value $89,732,122.

    13F-HR 0000350894-26-000005 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 1,320,411 shares
    Change vs previous 13F +44,262 shares

    0.1% of the 13F portfolio, value $96,931,364.

    13F-HR 0002048251-25-002343 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 1,276,149 shares
    Change vs previous 13F -174,297 shares

    0.1% of the 13F portfolio, value $83,677,061.

    13F-HR 0001041062-25-000162 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F/A 1,450,446 shares
    Change vs previous 13F +47,949 shares

    0.12% of the 13F portfolio, value $94,801,171.

    13F-HR/A 0001041062-25-000106 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 1,402,497 shares
    Change vs previous 13F +35,355 shares

    0.12% of the 13F portfolio, value $95,664,329.

    13F-HR 0001041062-25-000019 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 1,367,142 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $122,810,872.

    13F-HR 0001041062-24-000165 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).